Home / 2,918.67-4,028.25-1,740.44

Finding the Fourth Proportional to 2,918.67, 4,028.25 and 1,740.44

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Solution

The fourth proportional to 2,918.67, 4,028.25 and 1,740.44 is: 2,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.67 : 4,028.25 = 1,740.44 : x
  2. Step 2: Convert to fraction form
    2,918.67/4,028.25 = 1,740.44/x
  3. Step 3: Cross multiply
    2,918.67x = 4,028.25 × 1,740.44
  4. Step 4: Simplify right side
    2,918.67x = 7,010,927.43
  5. Step 5: Solve for x
    x = 7,010,927.43/2,918.67
  6. Step 6: Final answer
    x = 2,402.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.